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Important GST Dates – Your Calendar for GST 2018

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Filing of returns with the Government within stipulated dates is important for a taxpayer to avoid incurring any Interest and Penalty.

A GST calendar can help you remember when to file your returns. Forms GSTR-1 and 3B are to be a filed by a person registered under GST for each month other than the people who are registered under the composition scheme. A person registered under the composition scheme has to file GSTR-4 under GST for each quarter.

22nd December 2018

31st GST Council announced an extension to:

1.The due date for filing ITC-04 earlier due on 31st December 2018 to 31st March 2019 for months from July 2017 to December 2018,

2.The due date for filing GSTR-8 by TCS Collectors for months October 2018 to December 2018 up to 31st January 2019.

3. Due date of GSTR-9, GSTR-9A and GSTR-9C from 31st March earlier to 30th June 2019.

8th December 2018

CBIC extends due date for filing GSTR-9, GSTR-9A and GSTR-9C from 31st December 2018 till 31st March 2019 for FY 2017-18.

8th December 2018

Next 31st GST Council meeting to be held on 22nd December 2018 at Delhi.

28th November 2018

Due dates for filing GSTR-1, GSTR-3B and GSTR-4 have been extended in those places which were affected by cyclones Titli and Gaza:

Sl. no.Return/FormExtended due dateTaxpayers eligible for extension
1Form GSTR-3B for September 2018 and October 201830th November 2018Taxpayers whose principal place of business is in the district of Srikakulam in Andhra Pradesh
2Form GSTR-3B for October 201820th December 2018Taxpayers whose principal place of business is in 11 districts of Tamil Nadu*
3Form GSTR-1 for September 2018 and October 201830th November 2018Taxpayers having aggregate turnover more than Rs.1.5 crore and whose principal place of business is in the district of Srikakulam in Andhra Pradesh
4Form GSTR-1 for October 201820th December 2018Taxpayers having aggregate turnover more than Rs. 1.5 crore and whose principal place of business is in the 11 districts of Tamil Nadu*
5Form GSTR-1 for the quarter July 2018 to September 201830th November 2018Taxpayers having aggregate turnover of up to Rs. 1.5 crore and whose principal place of business is in the district of Srikakulam in Andhra Pradesh
6Form GSTR-4 for the quarter July 2018 to September 201830th November 2018Taxpayers registered under Composition scheme, whose principal place of business is in the district of Srikakulam in Andhra Pradesh
7Form GSTR-7 for the month of October 201831st January 2019All taxpayers

*Cuddalore, Thiruvarur, Puddukottai, Dindigul, Nagapatinam, Theni, Thanjavur, Sivagangai, Tiruchirappalli, Karur and Ramanathapuram.

26th Oct 2018 :

1. Due date of GST ITC-04 for the period of July 2017 to September 2018 extended till 31 December 2018.

2.  Taxpayers whose registration has been cancelled by the proper officer on or before September 30, 2018, shall be required to furnish the final return in Form GSTR-10 till December 31, 2018.

21st Oct 2018 :

Due date to reconcile and file the amended GST data for FY 2017-18 in GSTR-3b for September 2018 & claim accurate ITC now extended to 25 October 2018. 

28th Sept 2018:

30th GST Council Meet held on 28th September 2018 (Friday) through video conferencing.

10th Sept 2018:

1. Extension of Due date for GSTR-3B only for newly migrated taxpayers for months July 2017 to Nov 2018 till 31st December 2018. The due dates remain unchanged for rest of the taxpayers.

2. Extension of Due date for GSTR-1 in case of taxpayers with turnover above Rs 1.5 crores in previous FY or Current FY

a. Regular taxpayers : for months from July 2017 to September 2018 extended till the 31st October 2018.

b. Newly migrated taxpayers : for months from July 2017 to November 2018 extended till the 31st December 2018.

3. Extension of Due date for GSTR-1 in case of taxpayers with turnover upto Rs 1.5 crores in previous FY or Current FY

a. Regular taxpayers :

Quarter New Due date
July – September 2017 31st October 2018
October – December 2017 31st October 2018
January – March 2018 31st October 2018
April – June 2018 31st October 2018
July – September 2018 31st October 2018
October – December 2018 31st January 2019
January – March 2019 30th April 2019

b. Newly migrated taxpayers: For all quarters from July 2017 to September 2018 extended till 31st December 2018.*

* The recently held 31st GST Council meeting affirms that there is a further due date extension for those filing GST returns.

c. For flood-affected regions of Kodagu, Mahe and Kerala: Above table of dates remain the same except for quarter July 2018 to September 2018 extended till 15th November 2018.

4. Due date of TRAN-1 and TRAN-2 is extended for certain taxpayers who could not complete filing due to a tech glitch, to 31st March 2019 and 30th April 2019 respectively.

Here is a quick look at upcoming Statutory due dates in December 2018 for all of you :

Calendar-December ClearTax

Latest Update!

4th Aug 18: 29th GST Council Meeting was held on 4th Aug 2018. Digital payments of GST affwected Bills will reward consumer with cashback!

21st Jul 18: 28th GST Council Meeting was held on 21st July 2018 many rate changes and simple returns announced

4th May 18: At the 27th GST council meeting held on 4th May 2018, a decision was taken for continuing GSTR-1 and GSTR3B filing for another six months until the new system of GST Returns comes into effect.

Updates as on 23rd March 2018:

Certain notifications were made on 23rd March 2018 to give effect to decisions made in 26th meeting of GST council.

26th GST Council Meet was held at New Delhi on 10th March 2018, the following were highlights:

1. No concrete decision was taken to introduce any changes on GST returns
< filing. Also, it was clarified that the existing system of return filing will continue. GSTR 3B to continue as notified by CBEC on 23rd March 2018. 2. Dates for E-Way Bill Implementation has been set as follows:

-For Inter-State movement of goods: From 1st April 2018 (notified)

-For Intr-State movement of  goods(States divided into four phases): From 15th April 2018*

3. RCM to be deferred till 30th Sept 2018(notified)

4. TDS & TCS provisions under GST to be made applicable from 1st October 2018(notified)

As per 23rd GST Council Meet on 10th November 2017

Relief in GSTR compliance

  • All businesses to file GSTR-1 and GSTR-3B till Sept 2018.
  • GSTR-2 and GSTR-3 filing are suspended.
  • Turnover under Rs 1.5 Cr can also opt to file quarterly GSTR-1
  • Turnover above Rs 1.5 Cr have to file monthly GSTR-1
  • All businesses to file GSTR-3B by 20th of next month till Sept 2018.

GSTR-1 filing Due Dates

For turnover upto Rs 1.5 cr and opted Quarterly

Period  Due dates
Jan- Mar 2018 30th April 2018
Apr-June 2018 31st July 2018
July-Sept 2018 31st Oct 2018
Oct-Dec 2018 31st Jan 2019
Jan-Mar 2019 30th Apr 2019


For turnover of more than Rs 1.5 cr/ For turnover of less than 1.5 cr but opted Monthly

Period Dates
April 2018 31st May 2018
May 2018 10th June 2018
June 2018 10th July 2018
July 2018 11th Aug 2018
Aug 2018 11th Sept 2018
Sept 2018 11th Oct 2018

Other GSTR filing extensions

Return Revised Due Date Old Due Date
GSTR-6 (by ISD) for Jul’17 to Aug’18 30th Sept 2018 31st July 2018

Due dates for filing GSTR-3B for July 2018 to Sept 2018 

Month Last Date of filing GSTR-3B
July  2018 20th August 2018
August 2018 20th September 2018
September 2018 20th October 2018
October 2018 20th November 2018
November 2018 20th December 2018
December 2018 20th January 2019
January 2019 20th February 2019
January 2019 20th February 2019

Having known the dates now, make sure to mark this on your calendar!

Missed the above filing date of GSTR?… Ensure you make payment of tax along with the applicable late fees. Check out

For further reading and understanding, check out these articles!
Types of GST Returns
GSTR 1
GST Return